Window-frame construction



v Nov. 10,1925. 1,560,876

. J. SYLVAN WINDOW FRAME CONSTRUCTION Filed May 5, 1922 of Illinois, have 1 others, together lJNlTED STATS FFICE.

JOSEPH SYLVAN, 0E creme; ILLINOIS.

Applies To in whom it may concern:

Be it known that I, Josnrn SYLVAN, a

citizen of the of Cicero, in the county of useful Improvements in United States,

and a resident Cook and State nvented certain new and Window-Frame Construction; and I do hereby declare that the following is a full, clear, and exact; de-

scription thereof, reference accompanying drawings,

of reference marked thereon,

part of this specification.

being had tothe and to the letters which form a This invention relates to improvements in window frame construction and consists of the matters hereinafter described and more particularly pointed out in the appended claims.

One of the objects of provide a window frame w one or more of its parts, a the entrance of the room and a means before it enters the room.

This object of the invention,

with the many advantages the invention is to hich' includes in passageway for fresh air intothe interior of for warming the air as Well as thereof, will more fully appear as I proceed with my specification. In the drawings Fig. l is frame embodying my invention,

a View in elevation of a window as looked at from the inside of a room.

Fig. 2, is a enlarged scale as taken on Fig. 1.

Figs. 3 and views through the frame as taken H of Fig. 2.

on the horizontal sectional view on an the line 2'2 of 4 are detail vertical sectional one of the side members of lines 33 and Fig.5 is another detail vertical sectional view through the frame as taken on the Referring now in detail the top or ,lintel member of line 5-4) of Fig. 1.

to that embodiment of the invention illustrated in the accompanyingmlrawmgs:-1O indicates as a whole a window frame,

embodying my invention. Said frame includes the upright side members 11-11, an 1 ntermediate upright mullion 12, a horizontal top member,

sill i l.

or lintel 18, and a mullion are two sash Hinged to the of the casement type which are adapted to close at their outer margins against fixed parts of the side members 11-41. of the frame.

Each upright side member 11 includes a has men m s, was. Serial no. traces.

vertically elongated opening or slot 19 which is covered by a grating or screen 20 and n each front rail is rovided a similar opening or slot 21 whic is covered by a s milar grating or screen 22. Fixed to the side rails 17 at a point spaced from and extending parallel insulating strip 23. In each side frame member is an upright tubular heating element 24: which is spaced rom'both the in nor and side rails of the frame member and engages along one margin with the insulating rail 23. In this instance the heating element forms a part of a steam heating system and to that end its bottom end. is connected by a pipe 25 which may be com nected in any suitable manner to the heating system of the installed. it valve 26 is interposed in the pipe 25, said valve having a stem 2?, which projects outwardly through the sill beneath its ledge so that it may be conveniently actuated to control the amount of heating medium passing through the pipe 25. To

increase-the superficial heating and radiatwhich extend the full width of said opening.

30 are inclined upwardly the heating element 22. (See Fig.

The louvre plates and outwardly from toward the grating or screen 4.) In the space between the adjacent edges of thc:; lpuvre plates 1 provide an upright filler strip 31 which fits in the corner angle of the, rails 16 and 1?. (See Fig. 2.)

The air that enters the opening 19 contacts with the heating element to be warmed and then passes out through the opening 21,

building in which it lS In the I with the front rail'is an the lilre'elements 24 in each upright .s ide'" mlhmber of the Window frame. lalso' provide in said lintel, a plurality of louvre plates 39, one half of which are inclined in .ot the mullion, while the other half are inclined in an opposite direction from said median line of the mullion. On that margin of the side rails 17 adjacent the inner or '"front rails, I provide the upright ledges 4b, the purpose of which will presently appear. Assume that the sash -45 are in the closed position shown in full lip it in Fig. 2 and that the heating medium is circulating through the heating elements in the frame members. It; is well known that in cold weather, the air within the room in the vicinity of the windowxis cooled by reason of itsproximit thereto. As the air in the side frame mem ers is warmed by the heating elements, an upward movement of the air produced, which air passes out through the outletopenings, into the room. This produces a suction action near the inlet openings, drawing the cool air therethrough.

The cool air thus drawn in, becomes warmed by the heating element, and passes out through the outlet openings, thus setting up a circulation to Warm the air in the vicinity of the window.

Assume it is desired to permit the entrance oi fresh air from the outside atmosphere. One of the sash 15 is swung into a partly opened position as shown in dotted lines in Fig.2 wherein its free edge is closed against the upright ledge 40. In this position of Jythe sash, the inlet opening is connected with e OlltSltlr atmosphere, but no cold air can the room through, the Window opeing. it. cool. fresh outside air, passes through the inlet opening, is warmed by the heating element and then passes out through th outlet opening into the interior of the room.

It will be noticed that by reason or the louvre plates, the air in its passage through the frame member is broken up and directed upwardly toward theceiling of the ro'om so that no direct draft enters the room when the sash is partly open, as just described.

one direction from the vertical median plane The "ratin s or screens coverin the inlet CD Z' wanes a Tlnd mullion members and a top lintel member, one of said members being constructed to permit'the passage of air therethrough and having an inlet opening and an outlet opening at a right angle thereto, means in said member betueen said openings for'- warming the air as it passes through said member, and a window sash lunged to one of said upright members to swing in a l1OI'1 zontal plane and adapted to close ofi' said inlet opening from and to open the same to the outside atmosphere.

In combination with a frame for windowsash, said frame including upright side and mullion members and a top hntel memher, one of said members being constructed to permit the passage of air therethrough, I

and having an inlet opening arranged in a plane at a right angle to the sash and an out let opening arranged in a plane parallel with the sash, means in said member between said openings for warming the -air it passes through said member, and a window sash hinged to one of said upright members to swing in a horizontal plane and adapted to close off said inlet opening from and to open the sameto the outside atmosphere. I

3. In combination with a frame for win dow, sash, said frame including upright side and mullion members and a top lintel mem'- her, the side members being constructed to permit the passage of air therethrough, each side member having an inlet opening arranged in a plane at a right angle to the sash and an outlet opening arranged in a plane parallel with the sash, a heat radiating device in each of said side members for warming the air as it passes therethrcugh, and a window sash for each upright men her hinged to the mullion member to swing in a horizontal plane and adapted to close oil said inlet openings from and to'open the same to the outside atmosphere.

at. In combination with a frame for window sash, said frame including upright side and mullion members and a top lintel memher, one of said members being constructed to permit the passage of air therethrough and having an inlet opening arranged in a plane at a right angle to t.... sash and an outlet opening arranged in a plane parallel with the sash, louvres in each of said openings, and a window sash hinged to the mullion member to swing in a horizontal plane and ads tedto close 01! said inlet opening from an to open the same to the outside atmosphere;

5.111 combination with a frame for win dow sash, said frame including upright hollow side and mullion members and a 1101 low top lintel member said side members and said top member being constructed to permit the passage of air therethrough and each havingan inlet opening arran ed in a plane at a right angle to the sash an an outlet opening arranged in a plane parallel with the sash, a heating. element in each member between the inlet andoutlet openings thereof, louvres in said openings for directing the air toward and away from said heating element, and a window sash for each upright member hanged to themullion membar to swing in ahorizontal plane and adapted to close off said inletopenings from-and to open thesame to'the outside atmosphere.

6. In combination with a window frame,

' including upright side members, an upri ht intermediate mullion member, and a top intel member, said side members being constrnoted to permit the passa e of air therethrough; window sash hinge to the 'mullion member to swing in a horizontal plane, each of said uprightside members having an air inlet and an air outlet opening which are swung into one position, of exposing the air.

inlet openings to the outside atmosphere.

In testimony that I claim the foregoing as my invention, Iafiix my signature this 29th day of April, A. D. 1922.

JOSEPH SYLVAN. 

